How many molecules of nitrogen gas are found in 0.045 L of nitrogen gas at STP?

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.

What characteristics does a earthquake have